XXVlll ASSOCIATION LIBRARY. 



British Astronomical Association : 



Journal. 



Memoirs. 

 Lick Observatory Bulletins. 

 Kungl. Svenska Yetenskapsakademien : Arkiv for Matematik, 



Astronomi och Fysik. 

 Proceedings of the London Mathematical Society. 

 Die Tatigkeit der physikalisch-technischen Reichsanstalt, Char- 



lottenburg. 

 National Physical Laboratory, Middlesex : 



Collected Researches. 



Reports. 

 Proceedings of the Physical Society of London. 



Political Economy and Social Science. 



United Empire. 



International Institute of Agriculture, Rome: Bulletin of the 

 Bureau of Economic and Social Intelligence. 



Geography, Oceanography and Hydrography. 



Societa Italiana per il progresso delle Scienze : Bollettino del 



Comitato talassografico. 

 Comitato talassografico Italiano : Memorias. 



The Geographical Journal. 



Bulletin of the American Geographical Society. 



ITnited States Geological Survey: Water Supply Papers. 



Engineering. 



Proceedings of the American Institute of Electrical Engineers. 

 Journal of the South African Institute of Engineers. 

 Transactions of the South African Institute of Electrical 



Engineers 

 Proceedings of the South African Society of Civil Engineers. 



Technology. 



Patents for Inventions : Abridgments of Specifications. 

 The Illustrated Official Patents Journal. 



